libio/bug-wsetpos: Make the error message match the causing function

This test case calls `fopen':

  FILE *fp = fopen (temp_file, "r");

however if that fails it reports `fdopen' being the origin of the error.
Adjust the message to say `fopen' then.

1 files changed, 1 insertions, 1 deletions

diff --git a/libio/bug-wsetpos.c b/libio/bug-wsetpos.c
index 0fc373ba49..8d47e9266f 100644
--- a/libio/bug-wsetpos.c
+++ b/libio/bug-wsetpos.c
@@ -37,7 +37,7 @@ do_test (void)
 
   if (fp == NULL)
     {
-      printf ("fdopen: %m\n");
+      printf ("fopen: %m\n");
       return 1;
     }